John O. Pruett

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Dewatering system
- Patent number 9,758,417
- Issue date Sep 12, 2017
- M-I L.L.C.
- John O. Pruett
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Dewatering system
- Patent number 8,506,821
- Issue date Aug 13, 2013
- M-I L.L.C.
- John O. Pruett
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
DEWATERING SYSTEM
- Publication number 20130299405
- Publication date Nov 14, 2013
- John O. Pruett
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEWATERING SYSTEM
- Publication number 20100116753
- Publication date May 13, 2010
- M-I L.L.C.
- John O. Pruett
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL